Keystone Engineering Co.

Keystone Engineering Co. provides rubber molding services and contract manufacturing for customer-designed products, with over 65 years of manufacturing experience since 1950. The company supports the oilfield industry, including applications for wireline, frac, and MWD tools. Its capabilities include CNC machining of parts up to 25 feet in length, complex feature machining, electrical discharge machining (EDM), and turnkey assembly and instrumentation work. Keystone also manufactures composite products with high-temperature performance up to 400°F, strong strength-to-weight characteristics, environmental endurance for well conditions, and properties such as excellent electrical resistivity and radio frequency transparency.

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